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Fix Azure STT SpeechConfig failing when private_endpoint is provided

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SpeechConfig does not accept both `region` and `endpoint` simultaneously —
they are mutually exclusive. The previous code always passed both, which
raises ValueError when a user supplies a private_endpoint URL. Now we
conditionally pass either `endpoint` or `region`, never both.
This commit is contained in:
Mark Backman
2026-03-09 14:59:09 -04:00
parent 02791cd503
commit f533dc3203
1 changed files with 15 additions and 7 deletions
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22
src/pipecat/services/azure/stt.py
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@@ -94,7 +94,7 @@ class AzureSTTService(STTService):
sample_rate: Audio sample rate in Hz. If None, uses service default. sample_rate: Audio sample rate in Hz. If None, uses service default.
private_endpoint: Private endpoint for STT behind firewall. private_endpoint: Private endpoint for STT behind firewall.
See https://docs.azure.cn/en-us/ai-services/speech-service/speech-services-private-link?tabs=portal See https://learn.microsoft.com/en-us/azure/ai-services/speech-service/speech-services-private-link?tabs=portal
endpoint_id: Custom model endpoint id. endpoint_id: Custom model endpoint id.
settings: Runtime-updatable settings. When provided alongside deprecated settings: Runtime-updatable settings. When provided alongside deprecated
parameters, ``settings`` values take precedence. parameters, ``settings`` values take precedence.
@@ -126,13 +126,21 @@ class AzureSTTService(STTService):
**kwargs, **kwargs,
) )
self._speech_config = SpeechConfig( speech_config_kwargs: dict[str, Any] = {
subscription=api_key, "subscription": api_key,
region=region, "speech_recognition_language": default_settings.language
speech_recognition_language=default_settings.language
or language_to_azure_language(Language.EN_US), or language_to_azure_language(Language.EN_US),
endpoint=private_endpoint, }
) if private_endpoint:
if region:
logger.warning(
"Both 'region' and 'private_endpoint' provided; 'region' will be ignored."
)
speech_config_kwargs["endpoint"] = private_endpoint
else:
speech_config_kwargs["region"] = region
self._speech_config = SpeechConfig(**speech_config_kwargs)
if endpoint_id: if endpoint_id:
self._speech_config.endpoint_id = endpoint_id self._speech_config.endpoint_id = endpoint_id